Kind of dental flossing tool

ABSTRACT

The present invention related to tooth cleaning tool, especially, related to a dental flossing tool using dental floss to clean tooth. The handle of the present invention is composed of a cavity handle body having a lead riser and a handle cover connecting to the port of the handle body. The said handle body has longitudinal sliding groove. The two sides of pushing handle of locking wire are slidely engaged to the sliding groove. A spool of dental floss are provided lengthways in the handle, whose circular front baffle supporting axis of handle cover. The arranges a retainer having thread hole on the bottom surface of the pushing handle of locking wire, the said retainer frictionally engaging to the circular front baffle of the spool at the position of locking wire. The front end of the handle body arranges the protector of said lead riser.

THE TECHNICAL FIELD

[0001] The present invention relates to the tooth cleaning tool, and particularly relates to the dental flossing tool using the dental floss to clean the teeth.

THE TECHNICAL BACKGROUND

[0002] The decayed tooth is the most common dental disease being dangerous to the human health, the decayed tooth and its secondary infection bring great harm to people's mouth and even the whole body, the people in different countries of different age, race,region,occupation and male or female have all been affected by the decayed tooth which is in high incidence, the world health organization has ranked it as one of the three diseases being harmful to human health.

[0003] Concerning the above, cleaning teeth has become the indispensable thing in our usual life, and the dental floss has been gradually accepted as the accessorial product of the dental cleaning, since the dental floss is the effective tool for removing the bacterium fleck, the soft dirt and the remaining food between the adjacent teeth surfaces and the clearance between the teeth by mechanical manner, and it is difficult to clean the teeth thoroughly by just using the toothbrush, it is proved by the expert that the decayed tooth could be decreased 30% by accurate using the dental floss; and the dental flossing tool in the shape of catapult is the usual traditional appliance for convenient using the dental floss, which needs to mount the dental floss to the both ends of the said appliance at any moment. The once use dental flossing tool has been assembled the dental floss during manufacturing, although it does not need to mount the dental floss at any moment, but it is not easy to control while cleaning the teeth, which results not ideal cleaning effect.

[0004] The present applicant has disclosed a dental flossing tool being convenient to control and carry in the patent ZL94214468.6, which is consisted of lead riser with the handle and the tooth wire wheel within the handle, the dental floss is induced from the lead riser, and the handle is disposed with the locking wire pusher for locking the dental floss. It is shown by the practice that since the axis of the dental floss wheel is intersected with the handle axis vertically, which leads to the limitation of the length of the dental floss wound around the dental floss wheel, and thus the use times is limited and also the dental flossing tool could be carried only by equipping the storage box.

THE INVENTIVE CONTENT

[0005] The main object of the present invention is to provide a kind of dental flossing tool which could close in the dental floss while being carried and stored in order to prevent it from being polluted, it could also prevent the finger from direct contacting to the dental floss in the gap between the adjacent teeth.

[0006] Another object of the present invention is to provide an improved dental flossing tool, which is in reasonable structure, equipping longer dental floss, convenient to use and easy to take.

[0007] The above objects are realized by the following technical scheme: the handle of the present invention is composed of a cavity handle body having a lead riser and a handle cover connecting to the port of the handle body. The said handle body has longitudinal sliding groove. The two sides of pushing handle of locking wire are slidely engaged to the sliding groove. A spool of dental floss are provided lengthways in the handle, whose circular front baffle supporting axis of handle cover. The arranges a retainer having thread hole on the bottom surface of the pushing handle of locking wire, the said retainer frictionally engaging to the circular front baffle of the spool at the position of locking wire. The front end of the handle body arranges the protector of said lead riser.

[0008] The said handle body and handle cover are attached by the separately arranged circular groove and protrusion.

[0009] The thread cutter is disposed at the outer side of the handle body, the said thread cutter is a thin slice which is turnup and has a sharp edge.

[0010] The said retainer on the bottom surface of the pushing handle of locking wire is disposed with the wedge-shaped slant being matched with the peripheral slant of the circular front baffle of the spool of the dental floss.

[0011] The said protector could sheathe to the handle cover.

[0012] The present invention provides a hand-held dental flossing tool, one end of the dental floss is gone deep into the mouth through the lead riser in order to prevent the finger from contacting to the mouth, the other hand holds the other end of the dental floss, therefor the dental floss is easy to control by cooperation of the two hands, and also the inner attached dental floss could be used for a long time without taking the storage box.

[0013] The further explanation of the present invention is made by referencing the drawings as follows.

THE BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The FIG. 1 is the sectional schematic view of the main structure of the dental floss of the present invention;

[0015] The FIG. 2 is the appearance view of the dental flossing tool equipped with the protector of the present invention;

[0016] The FIG. 3 is the appearance view of the dental flossing tool in use of the present invention.

THE DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] As shown in FIG. 1, the front end of the handle body 3 is the lead riser 1, the handle cover 9 being sheathed with the handle body is attached with the circular groove of the handle cover through the circular protrusion of the handle body. The handle is the hollow cavity, in which the longitudinal spool 7 of dental floss is disposed, the circular front baffle is supported by the three protruding stages with the sidestep. The rear baffle is also in the circular shape, whose axis center fosse is supported by the gimlet point of the inner shaft 10 of the handle cover 9, causing the spool of dental floss wound with the dental floss 2 being positioned and rotated, the handle body 3 is disposed with the longitudinal slide groove 3′, the locking wire pushing handle 6 with the “I” shape in section is solidly attached with the longitudinal sliding groove of the handle body through the sliding groove in two sides, the retainer 4 with the wedged-shape slant is disposed at the bottom of the locking wire pushing handle, the said slant is matched with the peripheral slant of the circular front baffle 5. The retainer 4 is disposed with the thread hole 11 at the combination part thereof with the locking wire pushing handle 6, the dental floss is induced from the thread hole of the lead riser, and the thread cutter 12 is disposed at the outer side of the handle body, the said thread cutter 12 is turnup and has a thin slice with a sharp edge.

[0018] The protector 13 of the lead riser is disposed at the front end of the handle body 3, as shown in FIG. 2, the protector shall close in the thread cutter 12 in the FIG. 1 in the meantime.

[0019] The protector 13 of the present invention could be sheathed with the handle cover 9 while being used, the protector 13 is firmly attached to the handle cover 9, as shown in FIG. 3, it could make the dental flossing tool shorter in length while the handle is prolonged in use for being convenient to hold.

[0020] Since the dental flossing tool of the present invention could be manufactured by innocuous polyethylene with lower cost, and the length of the inner attached dental floss is 25 meters, which could be used for many times without exchanging the spool of dental floss, when it is used, the locking wire pushing handle is pushed ahead, the protector 13 is pulled out and sheathed to the handle cover 9 in order to prolong the holding part of the handle, when the enough length of dental floss has been pulled out, the locking wire pushing handle is pushed backwards in order to make spool of dental floss stop and lock the dental floss firmly, and the used protector is cut away by the thread cutter.

[0021] The dental floss of the present invention wound around the spool of dental floss is stored within the handle 3, and the dental floss could be pulled out and locked through the head while being used, the head could gone deep into the use's mouth, and the teeth could be convenient to clean by cooperated with the other hand to avoid contacting between the dental floss and hand, therefor it is healthful; the back cover of the handle is opened when the dental floss is not enough long, and the supplementary dental floss is taken out for further use.

[0022] In regard to the above, the dental flossing tool of the present invention is in simple structure and easy to carry. Which is a novel design and the equivalent changes are all within the protected scope limited by the appended claims. 

1. An apparatus for dispensing dental floss comprising: a handle body having an exterior and defining: an interior cavity; a longitudinal groove; and a lead riser; a spool of dental floss within said cavity, said spool rotatable around a longitudinal axis, and comprising a substantially circular front baffle; and a pushing handle slidably disposed in said groove, said pushing handle having a retainer portion disposed within said interior cavity, said retainer portion defining therein a longitudinal hole for the passage of floss there-through; wherein a free end of said floss is dispensable from said rotatable spool, through said hole, and out of said lead riser to the exterior of said body, and wherein further said pushing handle is controllably slidable between a locked position wherein said retainer frictionally engages said front baffle to prevent rotation of said spool, and an unlocked position wherein said retainer is disengaged from said front baffle thereby permitting said spool to rotate to permit dispensing of floss.
 2. The apparatus of claim 6 wherein said handle body comprises a handle portion opposite said lead riser, and further comprising a handle cover removably secured over said handle portion.
 3. The apparatus of claim 7 wherein said handle cover is removably secured by means of at least one circular protrusion on said exterior engaged with a corresponding circular groove in said handle cover.
 4. The apparatus of claim 6 further comprising: a floss cutting blade disposed on said exterior of said handle body; and a protector, engageable with said handle body, for covering said lead riser and said cutting blade when said apparatus is not in use.
 5. The apparatus of claim 6 wherein said retainer comprises a wedge shaped portion, and said front baffle defines a slanted periphery, and further wherein the angle defining said wedge-shaped portion is complementary to the angle defining said slanted periphery, and wherein further said wedge-shaped portion and said slanted periphery are in flush contact when said pushing handle is in the locked position.
 6. The apparatus of claim 9 wherein said protector is enageable over said handle portion of said handle body when said apparatus is in use. 